Water is flowing at the rate of 3km/h through a circular pipe of 20 cm internal diameter into a circular pipe of into a circular cisten of diameter 10m and depth 2 m. in how much time, will the cistern be filled?

Water flows out through a circular pipe, whose internal diameter is 2 cm, at the rate of 0.7 m per second into a cylindrical tank, the radius of whose base is 40 cm. By how much will the level of water rise in half an hour ?

Water flows a the rate of 10 metres per minute through a cylindrical pipe 5 mm in diameter. How long would it take to fill a conical vessel whose diameter at the surface is 40 cm and depth 24cm^2 .

Water flows out through a circular pipe whose internal diameter is 2 cm, at the rate of 6 metres per second into a cylindrical tank. The water is collected in a cylindrical vessel, radius of whose base is 60 cm. find the rise in the level of water in 30 minutes?

A farmer connects a pipe of internal diameter 20 cm from a canal into a cylindrical tank in her field, which is 10 m in diameter and 2m deep.If water flowsthrough the pipe at the rate of 3 km/h, in how much time will the tank be filled ?

A soft drink is avaliable in two packs a plastic cylinder with circular base of diameter 7 cm and height 10 cm. Find the container's capacity and how much ?

An athlete completes one round of a circular track of diameter 200m in 40 s. What will be the distance at the end of 2minutes 20s?

Find the volume of a right circular cone whose base raidus is 21 cm and height 10.2 m

A path 2 m wide surrounds a circular pond of diameter 40 m. How many cubic metres of gravel are required to gravel the path to a depth of 20 cm ?